The UK's Labour party leader Jeremy Corbyn was a 200/1 outsider in the Labour leadership contest two years ago. He defied those odds to win and now he is in the race to be next Prime Minister in the UK's general election. And many say the odds are stacked against him again.

According to his devoted supporters, his idealism is exactly what the country needs. But to his detractors, he’s made Labour simply unelectable. So who is he, what motivates him and what’s the future of the Corbyn project?

And we also spoke to him about his foreign policy - asking him: When in the last half century has British-backed military action been necessary?

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